package Demo1;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet({"/test/session"})
public class TestSession extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setContentType("text/html;charset=UTF-8");
        resp.setCharacterEncoding("UTF-8");
        // 获取会话对象

        // 从web服务器端获取当前的session对象,如果在服务器端没有的话就新建
        HttpSession httpSession = req.getSession();
        PrintWriter out = resp.getWriter();
        out.print("The content is"+httpSession);

    }
}
